Hartree Partners, LP Insider Trades & Stock Holdings

10% Owner · Hudson Technologies, Inc. · Latest filing Sep 24, 2026

Hartree Partners, LP, 10% Owner at Hudson Technologies, Inc. has 4 Form 4 trades on file since Sep 16, 2026. Open-market activity: 4 purchases ($730.16K) and 0 sales ($0), net +$730.16K. Latest filing: acquired 118.55K shares of $HDSN on Sep 24, 2026 at $5.10.

Trades on file

4

Open-market bought

$730.16K

Open-market sold

$0

Net open-market

+$730.16K

Latest filing

Sep 24, 2026

All insider trades by Hartree Partners, LP

Date	Ticker	Type	Shares	Price	Value	Owned after	ΔOwn	1W	1M	6M	Role	Filing	Story
Sep 24, 2026	$HDSN	Buy (Open-market buy)	118.55K	$5.10	$604.45K			+0.4%			10% Owner		—
Sep 23, 2026	$HDSN	Buy (Open-market buy)	11.01K	$5.10	$56.17K			+0.2%			10% Owner		—
Sep 21, 2026	$HDSN	Buy (Open-market buy)	2.50K	$5.10	$12.76K			-1.7%			10% Owner		—
Sep 16, 2026	$HDSN	Buy (Open-market buy)	11.14K	$5.10	$56.79K			-1.3%	-3.8%		10% Owner		—

"Buy" means shares acquired on the Form 4 (including grants and option exercises); "Sell" means shares disposed. 1W / 1M / 6M = how the stock moved after the trade.

Stocks Hartree Partners, LP traded

• $HDSN

Frequently asked questions

Has Hartree Partners, LP been buying or selling stock?

Hartree Partners, LP has 4 open-market purchases and 0 open-market sales on file, net +$730.16K. Grants, option exercises and tax withholding are listed separately because they are not open-market trades.

What was Hartree Partners, LP's latest insider trade?

acquired 118.55K shares of $HDSN on Sep 24, 2026 at $5.10.

Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.